Vitreous body, Ophthalmology FAQ

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Understanding Eye Flashes: When to Seek Help for Retinal Concerns

Flashes of light in the peripheral vision? I have high myopia and underwent dilation two months ago (I have mild floaters and occasional flashes). During the dilation, the doctor mentioned that the condition of my retina was good, but there was some thinning in the peripheral are...


Dr. Gao Pilin Reply:
Hello: Based on your description, the small white arc flashes in the corner of your eye may be caused by traction from the vitreous body within the eye, commonly referred to as photopsia. For a patient with high myopia like yourself, it is indeed important to pay special attentio...

[Read More] Understanding Eye Flashes: When to Seek Help for Retinal Concerns


Understanding Eye Flashes and Floaters in High Myopia Patients

Eye twitching Hello Doctor: I am severely myopic (approximately -1100 diopters in both eyes). In January of this year, I began experiencing floaters (transparent strands, occasionally with small black dots). Later, I occasionally noticed flashes of light, mostly resembling flicke...


Dr. Gao Pilin Reply:
Hello: Based on your description, you have high myopia and floaters, and you have recently experienced occasional flashes of light. These conditions do require special attention, as individuals with high myopia are more prone to retinal issues. 1. Floaters and Flashes: - Flo...

[Read More] Understanding Eye Flashes and Floaters in High Myopia Patients


Understanding Chronic Conjunctivitis: Links to Floaters and Dry Eye Issues

Chronic conjunctival inflammation and issues related to floaters and dry eye syndrome? Hello Doctor: 1. I started experiencing dry eyes and photophobia around March of this year. After an examination at a major hospital, I was diagnosed with chronic giant papillary conjunctivit...


Dr. Gao Pilin Reply:
Hello: 1. Causes of Chronic Giant Papillary Conjunctivitis: Chronic giant papillary conjunctivitis is often associated with contact lens wear, but it can also be caused by foreign bodies in the eyelid (such as sutures or prosthetic eyes). Even if you do not wear contact lenses ...

[Read More] Understanding Chronic Conjunctivitis: Links to Floaters and Dry Eye Issues


Understanding Eye Ultrasound: Safety and What to Expect

Ocular ultrasound examination Hello, Doctor: Today, I noticed a brief appearance of a white fog and went to see an ophthalmologist. The ophthalmologist performed an ultrasound examination to check for floaters and applied anesthetic drops before the procedure. I felt no discomfor...


Dr. Gao Pilin Reply:
Hello: 1. Safety of Ocular Ultrasound Examination Ocular ultrasound examination is a very safe and commonly used diagnostic tool for assessing the internal structures of the eye, such as the vitreous body, retina, and optic nerve. This technique utilizes high-frequency sound ...

[Read More] Understanding Eye Ultrasound: Safety and What to Expect


Understanding Visual Afterimages: When to Seek Eye Care

Seeing visual afterimages or bright spots? When I close my eyes, I can see some small bright spots and dark dots that appear and disappear. Some of them can also be seen when my eyes are open, resembling visual afterimages. They are most noticeable when I blink, and some change f...


Dr. Gao Pilin Reply:
Hello: The symptoms you mentioned, including seeing small bright spots and dark spots when your eyes are closed, as well as experiencing fleeting shadows upon opening your eyes, may be related to issues with the retina or vitreous body. These phenomena can sometimes be considered...

[Read More] Understanding Visual Afterimages: When to Seek Eye Care


Common Eye Issues: Understanding Shadows, Light Sensitivity, and Glaucoma

Eye-related issues? Doctor, I have some questions I would like to ask: 1. Recently, whenever I am in sunlight (even just a little), I see dark, shadow-like lines in front of my eyes. Could this be due to my long eyelashes casting a shadow that I am perceiving? Is this a possibi...


Dr. Gao Pilin Reply:
Hello: 1. Seeing black streaks in sunlight: This condition is likely what you are experiencing as "floaters." Floaters are caused by changes in the vitreous body of the eye and typically become more noticeable with age. While it is possible that your eyelashes may cas...

[Read More] Common Eye Issues: Understanding Shadows, Light Sensitivity, and Glaucoma


Common Eye Issues: Managing High Eye Pressure and Visual Disturbances

Eye problems Hello, Doctor. I have a few questions: 1. My intraocular pressure seems to be a bit high; do you have any methods to help lower it? 2. I wear orthokeratology lenses at night, but when I blink quickly in the dark, I see a circular light in the center of my vision. 3. ...


Dr. Gao Pilin Reply:
Hello: 1. Management of elevated intraocular pressure: - Pharmacological treatment: If intraocular pressure is elevated, topical medications to lower eye pressure are typically used. The specific medication should be based on the ophthalmologist's prescription. - L...

[Read More] Common Eye Issues: Managing High Eye Pressure and Visual Disturbances


Understanding Eye Flashes and Nerve Cupping in High Myopia

Flashes of light; optic nerve cupping? Hello Doctor: A few months ago, I discovered floaters in my vision, and after undergoing dilation, no issues were found at that time. Over the past few months, I have intermittently experienced flashes of light (similar to a light bulb flick...


Dr. Gao Pilin Reply:
Hello: Floaters refer to the appearance of black dots, dust, or small insects in your line of sight, usually caused by floating debris in the vitreous body. If the symptoms of flashes change significantly and persist, it is advisable to seek medical evaluation promptly. If they a...

[Read More] Understanding Eye Flashes and Nerve Cupping in High Myopia


Understanding Floaters: What They Mean for Your Eye Health

Suspected floaters? Hello, doctor. When I look at the blue sky, I see objects that resemble floaters (worm-like, transparent like microorganisms under a microscope), but this phenomenon does not occur when I look at a white wall. I would like to ask if this situation could possib...


Dr. Gao Pilin Reply:
Hello: Based on your description, the appearance of worm-like, transparent floaters in your vision may be a symptom of vitreous floaters. Vitreous floaters are a common visual phenomenon, usually caused by the degeneration or liquefaction of the vitreous body, which can lead to t...

[Read More] Understanding Floaters: What They Mean for Your Eye Health


Understanding Flashing Lights in Vision for High Myopia Patients

Flashes of light in the eyes? Hello Doctor, I have high myopia with prescriptions of -750 and -950 diopters. Recently, I have suddenly experienced flashes of light, but they only occur when I move from a dark area to a bright one. Specifically, if I stay in a dark place for about...


Dr. Gao Pilin Reply:
Hello: The phenomenon you mentioned, where flashes appear in your peripheral vision when blinking while transitioning from a dark to a bright environment, and which lasts for several minutes before disappearing, may be related to issues with the retina or vitreous body. Here are ...

[Read More] Understanding Flashing Lights in Vision for High Myopia Patients


Understanding Dark Shadows in One Eye: Possible Causes and Next Steps

The left eye feels darker, with a shadow in a specific area? In recent days, I have noticed an imbalance in the light perception between my two eyes. Upon comparison, I found that my left eye perceives light as darker, and there seems to be an irregular circular shadow in the cen...


Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, the uneven light perception in your left eye and the irregular circular shape resembling an afterimage from looking at a bright light may indicate an issue related to eye health. Floaters are typically caused by the liquefaction of the ...

[Read More] Understanding Dark Shadows in One Eye: Possible Causes and Next Steps


Understanding Visual Disturbances: What Causes Grid Patterns in Vision?

Seeing grids? Hello, I have myopia of -5.25 in my right eye and -6.25 in my left eye, along with floaters. Recently, when I wake up in the morning in a dimly lit room, I see a checkerboard pattern. What could this be?


Dr. Gao Pilin Reply:
Hello: The vitreous body is a transparent gel-like substance located between the retina and the lens. As one ages, the vitreous may become cloudy and floaters or spots may appear. These floaters or spots may become more noticeable in dim lighting conditions. If you see a checkerb...

[Read More] Understanding Visual Disturbances: What Causes Grid Patterns in Vision?


Seeing Purple Light: Understanding Visual Disturbances and Eye Health

Seeing purple light in the eyes? Hello, Doctor. Let me explain my situation. I have floaters in both of my eyes, and I have undergone laser treatment on my right eye. Recently, I occasionally see what appears to be a purple light in my peripheral vision; sometimes it's on a ...


Dr. Gao Pilin Reply:
Hello: Based on the situation you described, the phenomenon of seeing purple light in your peripheral vision may be caused by several factors: 1. **Floaters**: Floaters refer to the appearance of black spots, small bugs, or flashes in your vision, which are caused by the liquef...

[Read More] Seeing Purple Light: Understanding Visual Disturbances and Eye Health


Understanding Retinal Risks in High Myopia After Head Trauma

High myopia and retinal issues? Hello Doctor, I have approximately 1000 degrees of myopia. About 10 years ago, I underwent retinal laser treatment. After being hit on the head (not the eyes) by a ball six months ago, I found that my retina had thinned and underwent another laser ...


Dr. He Jianxian Reply:
Dear Mr. Anonymous: Pressing on the eye while sleeping and being struck by a ball are indeed different scenarios. The duration of pressure applied differs; the impact from a ball is sudden and intense, which can more easily lead to issues with the retina. After such an impact, ...

[Read More] Understanding Retinal Risks in High Myopia After Head Trauma


Understanding Floaters and Flashes: When to Seek Eye Care

Floaters and flashes in the eyes? Hello Doctor, Recently, due to the upcoming major exams, I have been studying every day, which has led to excessive eye strain and a noticeable increase in my floaters. I would like to ask you the following questions: 1. How many floaters are ...


Dr. Gao Pilin Reply:
Hello: 1. The severity of floaters varies from person to person; some may experience them mildly, while others may find them more pronounced. There is no specific standard for how many floaters are considered "many," but if you notice a significant increase in floater...

[Read More] Understanding Floaters and Flashes: When to Seek Eye Care


Understanding Floaters and Flashes: When to Seek Eye Care

Floaters and flashes in the eyes? Hello, Doctor. Recently, due to the upcoming major exams, I have been studying every day, which has led to excessive eye strain and a noticeable increase in my floaters. I would like to ask you the following questions: 1. How many floaters are ...


Dr. Gao Pilin Reply:
Hello: 1. The severity of floaters varies from person to person; some may experience them mildly while others may find them more pronounced. There is no specific standard for how many floaters are considered "many," but if you notice a significant increase in floaters...

[Read More] Understanding Floaters and Flashes: When to Seek Eye Care


Understanding Eye Floaters: Black Spots and Retinal Concerns

Seeing dark spots? Hello, doctor. I have myopia in my left eye of -6.75 and -5.25 in my right eye, along with floaters. 1. Recently, I've been seeing small black spots when looking at things; sometimes they appear as a dot and other times as a small blot, but they are alwa...


Dr. Gao Pilin Reply:
Hello: 1. Regarding the small black objects you described, this may be a condition known as floaters. Floaters are typically caused by changes in the gel-like substance within the vitreous humor of the eye, which creates shadows or spots that you see in your field of vision. Th...

[Read More] Understanding Eye Floaters: Black Spots and Retinal Concerns


Understanding Floaters and Light Shadows in Vision: When to Seek Help

Vitreous degeneration & retinal degeneration Hello doctor, I have recently experienced a significant increase in floaters, so I went to a large hospital for an examination. I had a fundus photography done, and the doctor said that my retina looked fine, advising me to have re...


Dr. Gao Pilin Reply:
Hello: Based on your description, you experience a phenomenon of light shadows at the edges of your vision when turning to the far left or right. This condition may be related to certain physiological phenomena of the eyes. One possible reason is that slight changes in the vitreo...

[Read More] Understanding Floaters and Light Shadows in Vision: When to Seek Help


Understanding Pupil Dilation Exams: What They Reveal About Eye Health

Pupil Dilation Examination I apologize for bothering the doctor. A few days ago, I went to the ophthalmologist for a dilated eye exam. At that time, there were no signs of retinal tears or detachments. The doctor explained that the flashes I was experiencing were part of a pullin...


Dr. Gao Pilin Reply:
Hello: I understand your situation. First, through a dilated eye exam, the physician can examine various parts of the eye, including the fundus, to ensure the health of the retina and other structures. The flashes you are experiencing may be caused by changes in the retina or vit...

[Read More] Understanding Pupil Dilation Exams: What They Reveal About Eye Health


Understanding Retinal Laser Treatment and Its Effects on Floaters

Retinal laser treatment Hello Doctor, I am the person who developed a significant amount of floaters after retinal laser treatment. Recently, it seems that the floaters have increased, and I occasionally see flashes of light. I am really going crazy. I have an appointment and wil...


Dr. Gao Pilin Reply:
Hello: 1. For laser treatment of the retina, it is typically focused on specific areas, and the physician will have very precise localization during the procedure. The area treated with laser is different from the area affected by floaters, so it is not possible to assess the sit...

[Read More] Understanding Retinal Laser Treatment and Its Effects on Floaters


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